The synonymy of Maculinea with Phengaris follows (Fric, Z., Wahlberg, N., Pech, P. & Zrzavy, J. 2007)
Species group name(s)
alcon Denis & Schiffermüller 1775 [species]
= rebeli Hirschke 1904
The taxa Phengaris alcon and P. rebeli cannot be separated and thus we treat them here as one species, following (Als, T.D., Vila, R., Kandul, N.P., Nash, D.R., Yen, S.-H., Hsu, Y.-F., Mignault, A.A., Boomsma, J.J. & Pierce, N.E. 2004). In previous version considered to belong to Glaucopsyche
Fauna Europaea was supported by the European Commission under the Fifth Framework Programme
and contributed to the Support for Research Infrastructures work programme with Thematic Priority Biodiversity.